CN101981823B - 在mimo系统中用于模式适配的方法 - Google Patents

在mimo系统中用于模式适配的方法 Download PDF

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Publication number
CN101981823B
CN101981823B CN200980111116.XA CN200980111116A CN101981823B CN 101981823 B CN101981823 B CN 101981823B CN 200980111116 A CN200980111116 A CN 200980111116A CN 101981823 B CN101981823 B CN 101981823B
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China
Prior art keywords
mimo
mode
feedback
codebook
information
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Expired - Fee Related
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CN200980111116.XA
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English (en)
Chinese (zh)
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CN101981823A (zh
Inventor
李旭峰
千珍英
朴成镐
李文日
高贤秀
任彬哲
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LG Electronics Inc
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LG Electronics Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
CN200980111116.XA 2008-04-07 2009-04-06 在mimo系统中用于模式适配的方法 Expired - Fee Related CN101981823B (zh)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US4277808P 2008-04-07 2008-04-07
US61/042,778 2008-04-07
US5059108P 2008-05-05 2008-05-05
US61/050,591 2008-05-05
US7413208P 2008-06-19 2008-06-19
US61/074,132 2008-06-19
KR1020080081244A KR101537591B1 (ko) 2008-04-07 2008-08-20 Ｍｉｍｏ 시스템에서 모드 적응 방법
KR10-2008-0081244 2008-08-20
US15116109P 2009-02-09 2009-02-09
US61/151,161 2009-02-09
PCT/KR2009/001767 WO2009125954A1 (en) 2008-04-07 2009-04-06 Method for mode adaptation in mimo system

Publications (2)

Publication Number Publication Date
CN101981823A CN101981823A (zh) 2011-02-23
CN101981823B true CN101981823B (zh) 2015-07-08

Family

ID=41162048

Family Applications (3)

Application Number Title Priority Date Filing Date
CN200980111116.XA Expired - Fee Related CN101981823B (zh) 2008-04-07 2009-04-06 在mimo系统中用于模式适配的方法
CN2009801117344A Pending CN101981825A (zh) 2008-04-07 2009-04-06 Mimo系统中用于模式适应的方法
CN200980111639.4A Expired - Fee Related CN101981824B (zh) 2008-04-07 2009-04-06 通过在mimo系统中使用代码本来执行反馈的反馈方法

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN2009801117344A Pending CN101981825A (zh) 2008-04-07 2009-04-06 Mimo系统中用于模式适应的方法
CN200980111639.4A Expired - Fee Related CN101981824B (zh) 2008-04-07 2009-04-06 通过在mimo系统中使用代码本来执行反馈的反馈方法

Country Status (7)

Country Link
US (4) US8111662B2 (https=)
EP (3) EP2248278B1 (https=)
JP (3) JP5427878B2 (https=)
KR (1) KR101537591B1 (https=)
CN (3) CN101981823B (https=)
MY (1) MY154092A (https=)
WO (3) WO2009125954A1 (https=)

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